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US2708201A Expired / Lapsed US ⏱️ 0.0 years remaining

16-haloprogesterones, their 21-hydroxy derivatives and esters thereof

Assignee: GD Searle LLC
•
Filing: 1953-10-30
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Granted: 1955-05-10
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Expires: 1973-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond M Dodson
  • 👤 Paul B Sollman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:52
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim 6 words
A COMPOUND OF THE STRUCTURAL FORMULA

References Cited (Backward Citations)

US2369065A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-05-09 1958-11-08 1959-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-05-09 1962-11-08 1963-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-05-09 1966-11-08 1967-05-10 $7700.00 Window Closed / Lapsed

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